:root {
  color-scheme: light;
  --ink: #16372e;
  --ink-strong: #102c25;
  --muted: #4b5c53;
  --paper: #fcfaf5;
  --warm: #f6f1e4;
  --line: #deded1;
  --green: #225745;
  --gold: #edc975;
  --font: "Hiragino Sans", "Yu Gothic", YuGothic, "Meiryo", "Noto Sans JP", sans-serif;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif CJK JP", serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.8 var(--font); overflow-wrap: anywhere; }
h1, h2, h3, h4, p, figure, ol, ul, dl, dd { margin: 0; }
ol, ul { padding: 0; }
a { color: inherit; }
a:focus-visible, summary:focus-visible { outline: 3px solid #a66c28; outline-offset: 4px; }
section[id], article[id] { scroll-margin-top: 24px; }
.wrap { max-width: 1224px; width: calc(100% - 104px); margin-inline: auto; }
.symbols { position: absolute; width: 0; height: 0; overflow: hidden; }
.ico { display: inline-block; width: 1.25em; height: 1.25em; flex: none; vertical-align: middle; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.skip { position: absolute; z-index: 10; left: 16px; top: 12px; transform: translateY(-200%); background: white; padding: 10px 16px; }
.skip:focus { transform: none; }

.site-header { background: #fcfaf5; border-bottom: 1px solid #e7e3d7; }
.header-inner, .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 77px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: .98rem; font-weight: 800; text-decoration: none; line-height: 1.35; }
.brand img { display: block; flex: none; }
.brand small { display: block; margin-top: 4px; color: #647467; font: 700 .58rem/1.3 var(--mono); letter-spacing: .12em; }
nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 41px); }
nav a { font-size: .83rem; font-weight: 700; white-space: nowrap; text-decoration: none; }
nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.nav-cta { display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; background: #edf1e6; border: 1px solid #dbe4d3; border-radius: 999px; }

.hero { background: var(--warm); border-bottom: 1px solid #e6e0d0; overflow: hidden; }
.hero-grid { min-height: 522px; display: grid; grid-template-columns: 1.08fr 1fr; align-items: center; gap: clamp(22px, 4.6vw, 70px); padding-block: 49px; }
.hero-copy { position: relative; z-index: 2; padding-block: 10px; }
.kicker { display: flex; align-items: center; gap: 9px; font: 700 .75rem/1.5 var(--mono); letter-spacing: .15em; }
.kicker > span { width: 8px; height: 8px; flex: none; border-radius: 50%; background: #b6833e; }
.hero-kicker { font: 800 .78rem/1.5 var(--font); letter-spacing: .12em; }
.hero h1 { margin: 23px 0 20px; font-family: var(--serif); font-size: clamp(2.42rem, 4.28vw, 3.58rem); line-height: 1.36; font-weight: 800; letter-spacing: -.064em; }
.hero h1 em { font-style: normal; position: relative; isolation: isolate; }
.hero h1 em::after { content: ""; position: absolute; z-index: -1; left: -2%; right: -2%; bottom: .04em; height: .23em; border-radius: 45% 45% 40% 40%; transform: rotate(-2.5deg); background: #edc975; }
.hero-description { max-width: 32rem; color: var(--muted); font-size: .98rem; line-height: 2; }
.hero-actions { display: flex; gap: 15px 22px; align-items: center; flex-wrap: wrap; margin-top: 30px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 11px; padding: 11px 18px; border: 1px solid transparent; border-radius: 9px; font-size: .84rem; font-weight: 800; text-decoration: none; transition: background .18s, color .18s, border-color .18s; }
.primary { background: var(--ink); color: #fffef6; }
.primary:hover { background: #2b5d49; }
.outline { border-color: #a8b7a7; background: #fffef9; }
.outline:hover { background: #e8f0e4; border-color: var(--green); }
.light { background: #f8e4ac; color: var(--ink-strong); }
.light:hover { background: #ffecc2; }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--green); font-size: .8rem; font-weight: 800; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }

.hero-art { position: relative; isolation: isolate; min-width: 0; height: 416px; }
.art-grid { position: absolute; inset: 4% 3% 3%; z-index: -3; border-radius: 28px; background-image: radial-gradient(#7f9b7e 1px, transparent 1px); background-size: 15px 15px; opacity: .36; mask-image: radial-gradient(ellipse, black 20%, transparent 72%); }
.art-orbit { position: absolute; z-index: -2; width: 91%; height: 82%; top: 8%; left: 2%; background: #e9ead7; border-radius: 50%; transform: rotate(-16deg); }
.journal-back, .journal { position: absolute; border-radius: 13px 19px 19px 13px; }
.journal-back { inset: 12% 11% 9% 17%; transform: rotate(10deg); z-index: -1; background: #bbceb3; border: 1px solid #a9bea5; box-shadow: 5px 8px 0 #a8bca26b; }
.journal { width: 74%; top: 9%; left: 11%; padding: 27px 22px 24px 32px; transform: rotate(-5.5deg); background: #fffdf4; border: 1px solid #d5ceba; border-left: 5px solid #e8dfc7; box-shadow: 6px 8px 0 #eee7d7, 7px 9px 0 #d7ceb8, 14px 22px 40px #293c2728; }
.coil { position: absolute; left: -17px; top: 12%; bottom: 12%; display: flex; flex-direction: column; justify-content: space-between; }
.coil i { width: 25px; height: 9px; border-radius: 20px; background: linear-gradient(#28503e, #63826a 52%, #173d33); box-shadow: 0 2px 0 #242a1e38; }
.journal-head { display: grid; gap: 4px; margin-bottom: 15px; }
.journal-head span { color: #6c735c; font: 800 .65rem/1.5 var(--mono); letter-spacing: .16em; }
.journal-head strong { font: 800 clamp(1.35rem, 2.4vw, 2.05rem)/1.3 var(--serif); letter-spacing: -.04em; }
.journal-list { display: grid; gap: 8px; list-style: none; }
.journal-list li { display: flex; align-items: center; gap: 10px; min-height: 43px; padding: 8px 9px 8px 11px; background: var(--tint); color: var(--tone-ink); border-radius: 7px; font-size: clamp(.72rem, 1.18vw, .94rem); font-weight: 800; }
.journal-list .ico { width: 19px; height: 19px; }
.journal-list b { margin-left: auto; font: 700 .65rem/1 var(--mono); opacity: .8; }
.spark { position: absolute; width: 43px; fill: #c68b44; }
.spark-top { top: 3%; right: 1%; transform: rotate(10deg); }
.spark-bottom { bottom: 8%; left: -1%; width: 24px; fill: #73987a; }
.paper-sticker { position: absolute; right: 2%; bottom: 8%; display: flex; align-items: center; gap: 8px; padding: 10px 14px; transform: rotate(8deg); background: #f7dfa1; border: 1px solid #e9ca79; border-radius: 3px; box-shadow: 4px 7px 12px #30251d17; color: #5d4c29; font-size: .72rem; font-weight: 800; line-height: 1.5; }
.paper-sticker .ico { width: 20px; height: 20px; }

.tool-section, .access, .story, .faq { padding-block: 84px; }
.section-heading { max-width: 48rem; }
.section-heading h2, .closing h2 { margin: 9px 0 10px; color: var(--ink-strong); font: 800 clamp(1.85rem, 3.25vw, 3.1rem)/1.42 var(--serif); letter-spacing: -.046em; }
.section-heading > p:last-child:not(.kicker), .closing p { color: var(--muted); font-size: .94rem; }
.tool-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; margin-top: 27px; }
.tone-plan { --tint: #f7ead3; --tone-ink: #785323; --edge: #ecd4aa; --panel: #f8efdd; }
.tone-find { --tint: #e5eddd; --tone-ink: #3e6046; --edge: #cadcc5; --panel: #e9f0e5; }
.tone-assess { --tint: #ece8f5; --tone-ink: #5a4b78; --edge: #dcd3ec; --panel: #efebf6; }
.tone-write { --tint: #f4e5df; --tone-ink: #874d41; --edge: #ead1c8; --panel: #f7ece5; }
.tool-card { display: flex; flex-direction: column; min-height: 214px; padding: 18px 16px 16px; border: 1px solid var(--edge); border-radius: 13px; background: var(--panel); text-decoration: none; transition: transform .18s, box-shadow .18s; }
.tool-card:hover { transform: translateY(-4px); box-shadow: 0 9px 20px #233c2414; }
.card-meta { display: flex; align-items: center; justify-content: space-between; gap: 5px; color: var(--tone-ink); font: 750 .64rem/1 var(--mono); letter-spacing: .09em; }
.card-icon { display: grid; place-items: center; width: 39px; height: 39px; background: #fffdf6; border: 1px solid var(--edge); border-radius: 10px; font-size: 17px; }
.tool-card h3 { margin: 16px 0 5px; min-height: 2.72em; font-size: clamp(.97rem, 1.55vw, 1.31rem); line-height: 1.34; letter-spacing: -.035em; }
.tool-card p { margin-bottom: 13px; color: #4f5a50; font-size: .78rem; }
.card-link { display: flex; align-items: center; justify-content: space-between; gap: 5px; padding-top: 10px; margin-top: auto; color: var(--tone-ink); border-top: 1px solid var(--edge); font-size: .77rem; font-weight: 800; }

.story { background: #f4f3ea; border-block: 1px solid #e6e5d9; }
.story-heading { margin-bottom: 23px; }
.feature { display: grid; grid-template-columns: 1fr .94fr; gap: clamp(24px, 5vw, 70px); align-items: center; padding-block: 38px; border-bottom: 1px solid #dddfd0; }
.feature:first-child { border-top: 1px solid #dddfd0; }
.feature-kicker { display: flex; align-items: center; gap: 9px; color: var(--tone-ink); font-size: .78rem; font-weight: 800; letter-spacing: .045em; }
.feature-kicker span { background: var(--tint); border: 1px solid var(--edge); border-radius: 6px; padding: 5px 7px; font: 800 .74rem/1 var(--mono); }
.feature h3 { margin: 10px 0 4px; font: 800 clamp(1.42rem, 2.55vw, 2.28rem)/1.45 var(--serif); letter-spacing: -.045em; }
.feature-lead { margin: 7px 0 9px; color: var(--tone-ink); font-size: clamp(1.02rem, 1.7vw, 1.32rem); line-height: 1.55; font-weight: 800; }
.feature-copy > p:not([class]) { max-width: 34rem; color: var(--muted); font-size: .91rem; }
.benefits { display: grid; gap: 6px; margin-top: 14px; list-style: none; color: #30483a; font-size: .83rem; }
.benefits li { display: flex; gap: 9px; align-items: baseline; }
.benefits li::before { content: "✓"; color: var(--tone-ink); font-weight: 900; }
.access-note { display: inline-block; margin-top: 15px; padding: 4px 10px; background: var(--tint); border: 1px solid var(--edge); border-radius: 7px; color: var(--tone-ink); font-size: .77rem; font-weight: 800; }
.feature-visual { padding: clamp(13px, 2.7vw, 29px); border-radius: 18px; border: 1px solid var(--edge); background-color: var(--panel); background-image: radial-gradient(var(--edge) 1px, transparent 1px); background-size: 13px 13px; }
.sample { background: #fffdf9; color: #294339; border: 1px solid var(--edge); border-radius: 12px; padding: 14px 16px; box-shadow: 3px 5px 0 #0000000b; font-size: .83rem; line-height: 1.7; }
.sample-header { display: flex; align-items: center; gap: 7px; padding-bottom: 10px; border-bottom: 1px solid var(--edge); color: var(--tone-ink); font-size: .81rem; font-weight: 800; }
.sample-header b { margin-left: auto; background: var(--tint); border-radius: 4px; padding: 2px 6px; white-space: nowrap; font-size: .65rem; }
.sample-question { margin-top: 12px; font-weight: 800; }
.sample-answer { margin: 9px 0; border: 1px solid #e5e4da; border-radius: 6px; padding: 7px 9px; background: #faf9f4; }
.sample-output { margin-top: 9px; padding: 9px 10px; border-left: 3px solid var(--edge); border-radius: 3px 6px 6px 3px; background: var(--panel); }
.sample-output strong { color: var(--tone-ink); font-size: .72rem; }
.sample-checks { margin-top: 6px; list-style: none; }
.sample-checks li { display: flex; align-items: baseline; gap: 7px; padding: 7px 0; border-bottom: 1px solid #e9ebe0; }
.sample-checks li span { color: var(--tone-ink); font-weight: 800; }
.sample-checks small { margin-left: auto; color: #566554; white-space: nowrap; }
.theories { display: flex; flex-wrap: wrap; gap: 5px; padding-top: 10px; color: var(--tone-ink); font-size: .69rem; }
.theories > * { padding: 2px 6px; border: 1px solid var(--edge); border-radius: 6px; }
.theories strong { background: var(--tint); }
.sample-dl { display: grid; gap: 6px; margin-top: 10px; }
.sample-dl div { display: grid; grid-template-columns: 40px minmax(0,1fr); align-items: baseline; gap: 7px; }
.sample-dl dt { font-size: .69rem; color: var(--tone-ink); font-weight: 800; background: var(--panel); padding: 2px 4px; border-radius: 3px; text-align: center; }
.screen-link { display: inline-flex; align-items: center; gap: 5px; padding-block: 6px 2px; margin-top: 5px; color: var(--tone-ink); font-size: .72rem; font-weight: 800; text-underline-offset: 3px; }
.story-caption { margin-top: 15px; color: var(--muted); font-size: .74rem; }
.only-mobile { display: none; }

.plans { display: grid; grid-template-columns: 1fr 1.12fr; gap: 18px; margin-top: 29px; }
.plan-card { display: flex; flex-direction: column; align-items: flex-start; padding: clamp(19px, 3.35vw, 38px); border: 1px solid #dbe0d3; border-radius: 17px; background: #f1f3e9; }
.plan-featured { border-color: #254c3e; background: #1b4336; color: #fffdf2; }
.plan-tag { border-radius: 5px; padding: 4px 9px; background: #dce8d9; color: #355d47; font-size: .73rem; font-weight: 800; }
.plan-featured .plan-tag { background: #f8e4ac; color: #463b24; }
.plan-card h3 { margin: 12px 0 9px; font: 800 clamp(1.36rem, 2.5vw, 2.05rem)/1.35 var(--serif); letter-spacing: -.04em; }
.plan-card > p:not(.plan-tag) { color: var(--muted); font-size: .87rem; }
.plan-featured > p:not(.plan-tag) { color: #e1eadf; }
.plan-card h4 { display: flex; justify-content: space-between; align-items: center; gap: 8px; width: 100%; margin-top: 22px; padding-bottom: 7px; border-bottom: 1px solid #c8d5c5; font-size: .86rem; }
.plan-featured h4 { border-color: #55796a; }
.plan-card h4 span { background: #dce8d9; color: #254637; padding: 2px 8px; border-radius: 999px; font-size: .72rem; }
.plan-featured h4 span { background: #f8e4ac; color: #463b24; }
.plan-card ul { display: grid; gap: 4px; list-style: none; margin-block: 10px 20px; font-size: .87rem; font-weight: 700; }
.plan-card li { display: flex; gap: 8px; align-items: baseline; }
.plan-card li svg { align-self: center; color: #3f7057; }
.plan-featured li svg { color: #f8e4ac; }
.plan-card .button { margin-top: auto; }
.buyer-strip { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; padding: 18px 21px; margin-top: 17px; border: 1px solid var(--line); border-radius: 12px; }
.buyer-strip h3 { font-size: 1rem; }
.buyer-strip p { margin-top: 4px; color: var(--muted); font-size: .82rem; }
.buyer-strip .button { flex-shrink: 0; }

.faq { display: grid; grid-template-columns: .65fr 1fr; gap: 18px 48px; border-top: 1px solid var(--line); }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 10px; cursor: pointer; padding: 15px 0; font-size: .9rem; font-weight: 800; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; display: grid; place-items: center; flex: 0 0 23px; height: 23px; border-radius: 50%; background: #e9eee2; font-size: 1rem; }
details[open] summary::after { content: "−"; }
details p { padding: 0 15px 14px 0; color: var(--muted); font-size: .85rem; }
.closing { background: #173c32; color: #fffdf1; }
.closing-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 49px; }
.closing h2, .closing p { color: #fffdf1; }
.closing .kicker > span { background: var(--gold); }
.site-footer { background: #efefe5; }
.footer-inner { min-height: 85px; }

@media (max-width: 1050px) {
  .wrap { width: calc(100% - 72px); }
  .hero-grid { gap: 26px; min-height: 470px; }
  .hero-art { height: 370px; }
}
@media (max-width: 830px) {
  .wrap { width: calc(100% - 44px); }
  .hero-grid { gap: 16px; min-height: 410px; }
  .hero h1 { font-size: clamp(1.8rem, 4.28vw, 2.4rem); }
  .hero-art { height: 312px; }
  .journal { width: 78%; left: 8%; padding: 19px 13px 18px 25px; }
  .journal-list li { min-height: 34px; padding-block: 5px; }
  .journal-list .ico { width: 15px; height: 15px; }
  .paper-sticker { bottom: 3%; }
  .tool-section, .access, .story, .faq { padding-block: 61px; }
  .tool-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .tool-card { min-height: 169px; }
  .tool-card h3 { min-height: auto; }
  .tool-card h3 br { display: none; }
  .feature { gap: 20px; }
}
@media (max-width: 640px) {
  .wrap { width: calc(100% - 36px); }
  .header-inner { min-height: 66px; gap: 5px; }
  .brand { gap: 7px; font-size: .81rem; }
  .brand img { width: 33px; height: 33px; }
  .brand small { font-size: .45rem; }
  nav { gap: 0; }
  nav > a:not(.nav-cta) { display: none; }
  .nav-cta { padding: 7px 8px; font-size: .65rem; gap: 4px; }
  .hero-grid { grid-template-columns: 1fr; gap: 3px; padding-block: 34px 23px; }
  .hero-copy { padding-block: 0; }
  .hero h1 { margin: 15px 0 14px; font-size: clamp(1.65rem, 8.3vw, 3.3rem); }
  .hero-description { font-size: .87rem; }
  .hero-actions { gap: 10px 15px; margin-top: 20px; }
  .hero-actions .text-link { font-size: .72rem; }
  .hero-art { width: min(100%, 424px); height: 306px; margin: 8px auto 0; }
  .journal { max-width: 312px; padding: 17px 16px 19px 24px; }
  .journal-list { gap: 6px; }
  .journal-list li { font-size: .81rem; }
  .spark-top { right: 2%; width: 32px; }
  .spark-bottom { left: 0; }
  .tool-section, .access, .story, .faq { padding-block: 49px; }
  .section-heading > p:last-child:not(.kicker), .closing p { font-size: .87rem; }
  .tool-grid { gap: 9px; margin-top: 19px; }
  .tool-card { padding: 11px; border-radius: 10px; }
  .tool-card h3 { font-size: .97rem; line-height: 1.45; }
  .tool-card p, .card-link { font-size: .7rem; }
  .card-meta { font-size: .57rem; }
  .card-icon { width: 33px; height: 33px; font-size: 15px; }
  .feature { grid-template-columns: 1fr; padding-block: 26px; gap: 16px; }
  .feature-copy > p:not([class]) { font-size: .87rem; }
  .sample { font-size: .78rem; }
  .story-caption { font-size: .68rem; }
  .only-mobile { display: block; }
  .plans, .faq { grid-template-columns: 1fr; }
  .plan-card { padding: 19px; }
  .buyer-strip, .closing-inner { flex-direction: column; align-items: flex-start; }
  .closing-inner { padding-block: 33px; }
}
@media (max-width: 350px) {
  .brand small { letter-spacing: .03em; }
  .nav-cta .ico { display: none; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .tool-card h3 { font-size: .88rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
