@charset "UTF-8";
:root{font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN","Meiryo",sans-serif;color:#283b33;background:#edf2ea;font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:#285d4b;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible{outline:3px solid #285d4b;outline-offset:5px;border-radius:3px}
.viewer{height:100vh;height:100dvh;display:flex;flex-direction:column;min-height:360px}
.viewbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;padding:18px 30px;border-bottom:1px solid #d9e3d5;background:#fafcf7;flex-shrink:0}
.viewbar a{font-size:12px;line-height:1.6}.external-link{justify-self:end}.viewbar h1{display:flex;align-items:center;gap:14px;margin:0;font-size:18px;font-weight:600;letter-spacing:.08em}.viewbar small{font-size:10px;letter-spacing:.03em;font-weight:400;color:#677b68;border-left:1px solid #d5ded0;padding-left:14px}
.stage{flex:1;min-height:0;display:flex;justify-content:center;align-items:center;padding:18px;background:radial-gradient(ellipse at 50% 40%,#fafcf6,#e8eee4)}
.phone{width:410px;max-width:100%;height:100%;max-height:870px;display:flex;flex-direction:column;padding:0 9px;border:1px solid #405348;border-radius:36px;background:#293e33;box-shadow:0 22px 55px #243b3426;overflow:hidden}
.phone-top{height:25px;flex-shrink:0;display:grid;place-items:center}.phone-top span{height:5px;width:54px;border-radius:5px;background:#14251d}.phone iframe{display:block;flex:1;min-height:0;width:100%;border:0;border-radius:23px;background:#f7f8f3}.phone-bottom{height:23px;display:grid;place-items:center;flex-shrink:0}.phone-bottom span{height:4px;width:100px;border-radius:5px;background:#9aaba0}
.desktop{width:95%;height:100%;min-height:0;display:flex;flex-direction:column;overflow:hidden;border:1px solid #d0dcc9;border-radius:12px;background:#f7f8f3;box-shadow:0 14px 40px #243b3414}.desktop-top{display:flex;align-items:center;gap:20px;flex-shrink:0;padding:10px 16px;font-size:9px;letter-spacing:.15em;color:#789067;background:#e4ebdd}.desktop-top span{letter-spacing:5px;font-size:8px}.desktop iframe{flex:1;min-height:0;width:100%;border:0;background:#f7f8f3}
@media(max-width:600px){.viewbar{grid-template-columns:1fr auto;padding:10px 14px;gap:4px 12px}.viewbar h1{grid-column:1/-1;grid-row:1;font-size:15px;gap:10px}.viewbar small{font-size:10px;padding-left:10px}.viewbar a{font-size:10px;padding:5px 0}.stage{padding:0}.phone{width:100%;max-width:410px;max-height:none;padding:0;border:0;border-radius:0;box-shadow:none;background:#f7f8f3}.phone-top,.phone-bottom{display:none}.phone iframe{border-radius:0}}
@media(max-width:600px){.desktop{width:100%;border:0;border-radius:0;box-shadow:none}.desktop-top{display:none}}
.content-only .stage{padding:0;background:#f7f8f3}
.content-only .phone{width:410px;max-width:100%;max-height:none;padding:0;border:0;border-radius:0;box-shadow:none;background:#f7f8f3}
.content-only .phone iframe{border-radius:0}
.content-only .viewer{height:auto;min-height:100vh;min-height:100dvh}
.content-only .stage{display:grid;grid-template-columns:minmax(0,620px) minmax(320px,410px);align-items:start;gap:36px;width:100%;max-width:1200px;margin:0 auto;padding:28px 32px;background:#f3f5ee}
.content-only{background:#f3f5ee}
.content-only .phone{position:sticky;top:28px;width:100%;height:calc(100vh - 56px);height:calc(100dvh - 56px);min-height:540px;border:1px solid #dce5d5;border-radius:18px;box-shadow:0 12px 32px #29472e0a}
.note-introduction{min-width:0;padding:5px 0 10px}
.note-eyebrow{font-size:10px;letter-spacing:.12em;font-weight:600;color:#6c865e;margin:0 0 14px}
.note-introduction-heading h1{font-size:clamp(25px,2.5vw,32px);font-weight:600;line-height:1.6;letter-spacing:.03em;margin:0 0 12px;color:#294d38}
.note-introduction-heading>p:last-child{font-size:12px;line-height:1.9;color:#75806e;margin:0 0 24px}
.note-feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.note-feature-card{display:flex;flex-direction:column;min-width:0;padding:19px 18px 16px;border:1px solid #e0e7d9;border-radius:14px;background:#fff}
.note-card-number{font-size:10px;letter-spacing:.12em;font-weight:600;color:#7b9867;margin-bottom:10px}
.note-feature-card h2{font-size:15px;line-height:1.65;font-weight:600;color:#36513c;margin:0 0 8px}
.note-feature-card>p{font-size:12px;line-height:1.85;color:#76806e;margin:0 0 15px}
.note-feature-card .note-card-example{margin:auto 0 0;padding:10px 11px;background:#f5f8f0;border-radius:7px;font-size:11px;line-height:1.85;color:#5d7151}
.note-card-example span{display:block;font-size:9px;letter-spacing:.05em;font-weight:600;color:#799167;margin-bottom:4px}
.note-sample-caption{font-size:10px;line-height:1.9;color:#829078;margin:18px 2px 0}
@media(max-width:979px){.content-only .stage{display:flex;flex-direction:column;align-items:center;gap:0;padding:0}.content-only .phone{order:0;position:static;width:410px;max-width:100%;height:100vh;height:100dvh;min-height:360px;flex:none;border:0;border-radius:0;box-shadow:none}.note-introduction{order:1;width:100%;max-width:700px;padding:34px 24px 38px}.note-introduction-heading h1{font-size:28px}}
@media(max-width:519px){.note-feature-grid{grid-template-columns:1fr;gap:12px}.note-introduction{padding:30px 20px 36px}.note-feature-card{padding:19px}.note-feature-card h2{font-size:16px}.note-feature-card>p{font-size:13px}.note-feature-card .note-card-example{font-size:12px}}
.language-switch{display:flex;flex-wrap:wrap;gap:4px;align-items:center}.language-switch a{font-size:11px;line-height:1.5;padding:5px 9px;border-radius:18px;white-space:nowrap}.language-switch a[aria-current]{background:#e6eee0;font-weight:600}
html[lang="en"],html[lang="vi"]{font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif}html:not([lang="ja"]) .note-introduction-heading h1{letter-spacing:0}
.viewbar-options{display:flex;flex-direction:column;align-items:flex-end;gap:7px;min-width:0}.viewbar-options .language-switch{justify-content:flex-end}.viewbar h1{flex-wrap:wrap;min-width:0;gap:8px}.viewbar h1 small{line-height:1.6;max-width:240px}.viewer-notice{flex-shrink:0;background:#f5f8ef;border-bottom:1px solid #dfe7d9;padding:8px 30px;color:#667c5e}.viewer-notice p{font-size:11px;line-height:1.7;margin:2px 0}
.note-service{background:#eaf1e2;border:1px solid #dce6d2;border-radius:12px;padding:17px 18px;margin:0 0 20px}.note-service strong{display:block;font-size:14px;line-height:1.7;font-weight:600;color:#375b3d}.note-service p{font-size:12px;line-height:1.9;color:#647a58;margin:6px 0 0}.note-feature-card,.note-introduction-heading{overflow-wrap:anywhere}
@media(max-width:700px){.viewbar{grid-template-columns:1fr;gap:10px;padding:12px 16px}.viewbar h1{grid-row:1;grid-column:1;font-size:15px}.viewbar .back-link{grid-row:2}.viewbar-options{grid-row:3;flex-direction:row;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.viewbar-options .language-switch{justify-content:flex-start}.viewbar .language-switch a{padding:4px 7px}.viewer-notice{padding:7px 16px}.viewer-notice p{font-size:10px}}

/* The sample opened from note.com keeps its explanation compact and shows a phone shell. */
.content-only .stage{grid-template-columns:minmax(0,560px) minmax(320px,390px);max-width:1100px;gap:32px}
.content-only .note-feature-grid{gap:11px}
.content-only .note-feature-card{padding:14px 14px 12px;border-radius:12px}
.content-only .note-card-number{margin-bottom:7px}
.content-only .note-feature-card h2{margin-bottom:6px}
.content-only .note-feature-card>p{margin-bottom:10px}
.content-only .note-feature-card .note-card-example{padding:8px 9px;line-height:1.7}
.content-only .phone{padding:0 9px;border:1px solid #405348;border-radius:36px;background:#293e33;box-shadow:0 22px 55px #243b3426}
.content-only .phone iframe{border-radius:23px}
.content-only .phone-top,.content-only .phone-bottom{display:grid}
@media(max-width:979px){
  .content-only .stage{gap:20px;padding:16px}
  .content-only .phone{width:390px;max-width:100%;height:calc(100vh - 32px);height:calc(100dvh - 32px);min-height:520px}
  .content-only .note-introduction{padding:14px 8px 32px}
}
@media(max-width:519px){
  .content-only .note-feature-card{padding:15px}
}