qmk_firmware/keyboards/uranuma/keymaps/default/keymap.c

#include QMK_KEYBOARD_H

enum layer_number {
  _BASE,
  _LOWER,
  _RAISE,
};

enum custom_keycodes {
  KANJI = SAFE_RANGE,
};

// Layer Mode aliases
#define KC_ZSFT  LSFT_T(KC_Z)
#define KC_MNSF  LSFT_T(KC_MINS)
#define KC_ESCT  LCTL_T(KC_ESC)
#define KC_TBAL  LALT_T(KC_TAB)
#define ALT_GRV  LALT(KC_GRV)
#define LOWER    MO(_LOWER)
#define RAISE    MO(_RAISE)

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    [_BASE] = LAYOUT(
     //.--------------------------------------------.                     .--------------------------------------------.
        KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,                          KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,
     //|--------+--------+--------+--------+--------|                     |--------+--------+--------+--------+--------|
        KC_A,    KC_S,    KC_D,    KC_F,    KC_G,                          KC_H,    KC_J,    KC_K,    KC_L,    KC_BSLS,
     //|--------+--------+--------+--------+--------|                     |--------+--------+--------+--------+--------|
        KC_ZSFT, KC_X,    KC_C,    KC_V,    KC_B,                          KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_MNSF,
     //|--------+--------+--------+--------+--------+--------.   .--------+--------+--------+--------+--------+--------|
        KC_ESCT, KC_TBAL, KC_PSCR, KC_LALT, KC_SPC,  KC_BSPC,     KC_ENT,  KC_ENT,  ALT_GRV, KC_SLSH, KC_BSLS, KC_RBRC,
     //|--------+--------+--------+--------+--------+--------'   '--------+--------+--------+--------+--------+--------|
        KC_LSFT, LOWER,                                                                               RAISE,   KC_RCTL
     //'-----------------'                                                                           '-----------------'
    ),

    [_LOWER] = LAYOUT(
     //.--------------------------------------------.                     .--------------------------------------------.
        KC_1,    KC_2,    KC_3,    KC_4,    KC_5,                          KC_6,    KC_7,    KC_8,    KC_9,    KC_0,
     //|--------+--------+--------+--------+--------|                     |--------+--------+--------+--------+--------|
        KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,                         KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,
     //|--------+--------+--------+--------+--------|                     |--------+--------+--------+--------+--------|
        KC_F11,  KC_F12,  XXXXXXX, XXXXXXX, XXXXXXX,                       XXXXXXX, XXXXXXX, KC_SCLN, KC_UP,   KC_EQL,
     //|--------+--------+--------+--------+--------+--------.   .--------+--------+--------+--------+--------+--------|
        KC_ESCT, KC_TBAL, KC_LGUI, KC_ENT,  KC_BSPC, KC_SPC,      KC_ENT,  KC_LALT, KANJI,   KC_LEFT, KC_DOWN, KC_RGHT,
     //|--------+--------+--------+--------+--------+--------'   '--------+--------+--------+--------+--------+--------|
        KC_LSFT, LOWER,                                                                               RAISE,   KC_RCTL
     //'-----------------'                                                                           '-----------------'
    ),

    [_RAISE] = LAYOUT(
     //.--------------------------------------------.                     .--------------------------------------------.
        KC_1,    KC_2,    KC_3,    KC_4,    KC_5,                          KC_6,    KC_7,    KC_8,    KC_9,    KC_0,
     //|--------+--------+--------+--------+--------|                     |--------+--------+--------+--------+--------|
        KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,                         KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,
     //|--------+--------+--------+--------+--------|                     |--------+--------+--------+--------+--------|
        KC_F11,  KC_F12,  XXXXXXX, KANJI,   XXXXXXX,                       XXXXXXX, XXXXXXX, XXXXXXX, KC_UP,   KC_INT1,
     //|--------+--------+--------+--------+--------+--------.   .--------+--------+--------+--------+--------+--------|
        KC_ESCT, KC_TBAL, KC_LGUI, LOWER,   KC_BSPC, KC_SPC,      KC_ENT,  KC_ENT,  KANJI,   KC_LEFT, KC_DOWN, KC_RGHT,
     //|--------+--------+--------+--------+--------+--------'   '--------+--------+--------+--------+--------+--------|
        KC_RSFT, LOWER,                                                                               RAISE,   KC_RCTL
     //'-----------------'                                                                           '-----------------'
    ),

};